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Blu-Sub Mechatronics

UNF Sealing Plug (Blank)

7 options

A pressure-rated blank plug for closing off unused UNF-threaded ports (the imperial/Subconn-style thread family) on underwater enclosures and sensor modules. Each unit includes a plug, o-ring, stainless steel washer, and nut, and is available in hex-head and square-format designs for modular builds or reserved future expansion ports.

Key specifications

Available Thread Sizes
7/16-20, 1/2-20, 5/8-18, 3/4-16 UNF; Square FCR1500 & FCR2000
Depth Rating
1,000 m (3,280 ft)
All specifications

Before you order: Match the thread to the hole you are sealing.

Part number
7 options, see prices
Category
Underwater connectors, cable penetrators and tethers
Type
Blanking plugs and adapters
Manufacturer's range
Blu-Sub subsea connectors, penetrators and cable
₹8,840.62

Includes GST and delivery in India

Imported to order. Lead time confirmed with your quotation.

Material: Aluminum
Option 2: 7/16-20 UNF

SKU BS-SSC-PBLNK-BLK-XXA1 Aluminum · 7/16-20 UNF selected

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Specifications

Product typeSealing plug
Depth Rating1,000 m (3,280 ft)
Available Thread Sizes7/16-20, 1/2-20, 5/8-18, 3/4-16 UNF; Square FCR1500 & FCR2000
Materials316 stainless steel; 6061 aluminum black anodized (7/16-20 only)
O-ring MaterialFKM75 brown fluorine rubber
Service LifeUp to 3 years or 500 install/remove cycles
Air Temperature-25C to 60C
Water Temperature-4C to 40C
Internal Hex Socket6 mm (bolt-type plugs only)

Accessories and compatibility

Compatible accessories

Named by the manufacturer for this part.

Used for

  • Sealing unused UNF/Subconn-style ports on ROV enclosures and subsea sensor modules, including reserving expansion capacity

The manufacturer lists: Subsea Aluminum End-Caps; Subsea Enclosure Aluminum/Acrylic Tubes; Subsea Polymer Flanges & End-Caps; Subsea Watertight Enclosure Boxes; Metric Sealing Plug (Blank) as the metric-thread equivalent

Questions buyers ask

What is its depth rating?

1,000 m (3,280 ft).

Where is the datasheet?

The manufacturer's own page for this part is linked under Documentation on this page; its datasheet and downloads, where the manufacturer publishes them, are there. We also send the datasheet and any drawings with your quotation.

Can I return it?

Yes, within 30 days of delivery, if it is unused and in its original packaging. You pay the return shipping, and we refund 90% of the price after checking the part.

Compare with other blanking plugs and adapters

The manufacturers’ figures for this part and the ones most like it, on the rows they publish. — Not specified

ProductDepth Rating
UNF Sealing Plug (Blank) this page1,000 m (3,280 ft)
Subsea M10 Coupling Tube1,000 m (3,281 ft)

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